Table 2. pH and Hunter color of cheonggukjang added with brewer’s spent grain

Addition ratio of BSG (%)	pH	Hunter color1)
		L	a	b
0	7.48±0.012)NS3)	48.31±2.50c4)	2.92±0.03d	17.21±0.88b
5	7.41±0.01	56.37±0.17a	3.03±0.03c	18.25±0.07a
10	7.45±0.00	55.14±0.16b	3.08±0.04b	17.43±0.06b
15	7.42±0.00	54.89±0.15b	3.37±0.06a	18.02±0.06a

Color was recorded as L, lightness; a, redness; b, yellowness.
Values are mean±SD (pH, n=3; Hunter color, n=15).
NS, not significant.
Values with different superscript letters (^a-d) in the same column are significantly different at p<0.05 by Duncan’s multiple range test.